package Buffer;

import java.io.*;

public class SystemInDmeo {
    public static void main(String[] args) throws IOException {
        //InputStream is = System.in;
        // 字节流读取

       /* int by;
        while ((by = is.read()) != -1) {
            System.out.println((char) by);
        }*/

        // 转化流 一次读取一行字符缓冲流
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        String s = br.readLine();
        System.out.println(s);

    }
}
